When straight lines have such a strong presence in a handwriting, the graphologist hypothesizes an individual who focuses intensely on achieving goals.
A graphologist would no doubt have a field day with the precise, neat, tiny graphs and dots that the former physicist uses to illustrate his explanation.
Thus, graphologists believe, a page or two of handwriting can distinguish between an accountant and a chef, a go-getter and a layabout, or a thief and an honest man.